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Band Gap Energy

Sol Gel Combustion Synthesis, Structural and Optical Band Gap Energy Study of Zn0 85Ni0 1Mg0 05Fe2O4 Nanoparticles

Sol Gel Combustion Synthesis, Structural and Optical Band Gap Energy Study of Zn0 85Ni0 1Mg0 05Fe2O4 Nanoparticles

... Ultraviolet visible spectroscopy is a very useful characterization to investigate the optical properties like absorption, transmission and reflection of optical materials. It also used to estimate the band ...

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Determination of the direct band-gap energy of InAlAs matched to InP

Determination of the direct band-gap energy of InAlAs matched to InP

... direct band-gap that allows their use in electroluminescent ...its gap is ...the band-gap energy for x 5 ...direct band-gap energy in the entire x range can ...

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Synthesis, Characterization, Effect of Temperature on Band Gap Energy of Molybdenum Oxide Nano Rods and Their Antibacterial Activity

Synthesis, Characterization, Effect of Temperature on Band Gap Energy of Molybdenum Oxide Nano Rods and Their Antibacterial Activity

... spectrophotometer, band gap energy, FT-IR spectrophotometer, XRD, SEM, and TEM ...The band gap energy of MoO 3 nano rods were observed ...

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Effect of the Sulfur Concentration on the Optical Band Gap Energy and Urbach Tail of Spray-Deposited ZnS Films

Effect of the Sulfur Concentration on the Optical Band Gap Energy and Urbach Tail of Spray-Deposited ZnS Films

... Zinc Sulfide (ZnS) films were deposited through a simple and low cost spray pyrolytic technique by using mixed aqueous solutions of zinc nitrate and thiourea. The structural and optical properties of films were ...

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Estimation of Band Gap Energy and Urbach Energy of  α-quaterthiophene ( α-4T) thin Films and their Effect on Film Thickness

Estimation of Band Gap Energy and Urbach Energy of  α-quaterthiophene ( α-4T) thin Films and their Effect on Film Thickness

... photon energy has been studied. Optical band gap and urbach energy of as deposited and annealed thin films of various thicknesses have been ...direct energy gap. It is observed ...

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Reduction Band Gap Energy of TiO2 Assembled with Graphene Oxide Nanosheets

Reduction Band Gap Energy of TiO2 Assembled with Graphene Oxide Nanosheets

... and UV-visible spectra. XRD analysis revealed the amorphous nature of the deposited layers. Scanning electron microscope reveals the dispersion of gra- phene nanofiles among titanium oxide nanoparticles distributed at ...

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Band Anti Crossing Modelling on Tailored Ga1 xInxN yAs1 y Band Gap Energy Based Nitrogen Fraction

Band Anti Crossing Modelling on Tailored Ga1 xInxN yAs1 y Band Gap Energy Based Nitrogen Fraction

... methods that are used to calculate the values of 𝐸 𝑀 , first two methods use empirical expressions for the ternary alloy composition and temperature dependence based on Vegard’s law and Varshni’s equations respectively ...

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Wide Band Gap SemiconductorOptical Waveguide

Wide Band Gap SemiconductorOptical Waveguide

... In the present study, refractive index of GaN related materials as an important parameter for optoelectronic devices design are investigated systemically. ZnO materials have similar band gap energy ...

187

Resolution of the Band Gap Prediction Problem for Materials Design

Resolution of the Band Gap Prediction Problem for Materials Design

... The pseudopotentials of Lee et al. [20], as well as those of Hay and Wadt [25] and Stevens et al. [26], follow the approach pioneered by Kahn, Melius, and Goddard. All of these pseudopotentials use the eigenfunctions ...

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Characterization of Wide Band Gap Power Semiconductor Devices.

Characterization of Wide Band Gap Power Semiconductor Devices.

... the energy losses were calculated at 8 different current levels providing switching loss dependence on the load ...switching energy losses and switching ...

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Electromagnetic Susceptibility of an Electromagnetic Band-Gap Filter Structure

Electromagnetic Susceptibility of an Electromagnetic Band-Gap Filter Structure

... electromagnetic band-gap (C- EBG) microstrip structure, patches are etched periodically in the ground plane to prohibit the propagation of electromagnetic waves in certain frequency bands so as to provide ...

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Photonic Band Gap Aperture Coupled Fractal Shape Tri-Band Active Antenna

Photonic Band Gap Aperture Coupled Fractal Shape Tri-Band Active Antenna

... One of the solutions to above limitations can be reached by means of fractal curves. It has been reported that the application of space filling fractal curves enables us to achieve considerable miniaturization and also ...

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Electromagnetic band gap (EBG) for microstrip antenna design

Electromagnetic band gap (EBG) for microstrip antenna design

... electromagnetic band gap (EBG) properties from several published papers and books, design a conventional rectangular microstrip antenna and the new EBG structure operating at ...

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Modulating Band Gap and HOCO/LUCO Energy of Boron-Nitride Nanotubes under a Uniform External Electric Field

Modulating Band Gap and HOCO/LUCO Energy of Boron-Nitride Nanotubes under a Uniform External Electric Field

... the energy band gap for HOCO and LUCO (LUCO-HOCO) in (4,4),(5,5) and (6,6) BNNTs with the PBC approach without the presence of an external electric field and in the presence of different external ...

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Triple Band Notched UWB Antenna Design Using Electromagnetic Band Gap Structures

Triple Band Notched UWB Antenna Design Using Electromagnetic Band Gap Structures

... semi-octagon-shaped resonant ring on the back side of the antenna, triple-notched frequency bands are achieved. In [18], the proposed antenna uses three open-ended quarter-wavelength slots to create triple ...

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Genetic Algorithm Optimized Electromagnetic Band Gap Structure for Wide Band Noise Suppression

Genetic Algorithm Optimized Electromagnetic Band Gap Structure for Wide Band Noise Suppression

... electromagnetic band gap (EBG) structure is proposed for suppression of the ...wide band gap of 20 GHz with 30 dB isolation and a band gap of ...stop band gap and ...

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Low band-gap benzothiadiazole conjugated microporous polymers

Low band-gap benzothiadiazole conjugated microporous polymers

... the band gap of the conjugated ...optical band gaps can be estimated. For example, the optical band gaps of BCMP-1 and BCMP-3 are approximately ...

6

Post-growth band gap engineering for optoelectronic integration

Post-growth band gap engineering for optoelectronic integration

... In the last few years QWs have been at the forefront of a new laser configuration, the vertical cavity surface em itting laser (VCSEL). This essentially consists of very high (> 99%) reflectivity in teg rated m ...

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Tunability and Graded Energy Band Gap of Chemical Bath Deposited Cadmium Sulfide (CdS) Thin Film for Optoelectronic Applications

Tunability and Graded Energy Band Gap of Chemical Bath Deposited Cadmium Sulfide (CdS) Thin Film for Optoelectronic Applications

... solar energy conversion and utilization in device ...The energy band gap of the films decreases with increase in the concentration of cadmium as a constituent of the bath while the films ...

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Enhanced Low Profile, Dual-Band Antenna via Novel Electromagnetic Band Gap Structure

Enhanced Low Profile, Dual-Band Antenna via Novel Electromagnetic Band Gap Structure

... The literature provides a few methods to analyse EBG structures, specifically how to identify their band gaps [13]. One methodology, based on the dispersion diagram, relies on studying the wave vector in function ...

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